Stee washer. Thickness from 0.2mm to 12mm. For light duty and heavy duty industry using. Surface can be raw oiled, zinc plating Stee washer.Thickness from 0.2mm to 12mm. For light duty and heavy duty industry using. Surface can be raw oiled, zinc plating finished, and so on.Any standard or not stanard products similar can be ordered .Any question can be answered soon by email. Steel washer